78884043134228 has 12 divisors (see below), whose sum is σ = 144049122245280. Its totient is φ = 37727151064152.

The previous prime is 78884043134203. The next prime is 78884043134257. The reversal of 78884043134228 is 82243134048887.

It is a super-2 number, since 2×78884043134228² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428717625638 + ... + 428717625821.

It is an arithmetic number, because the mean of its divisors is an integer number (12004093520440).

Almost surely, 2^{78884043134228} is an apocalyptic number.

It is an amenable number.

78884043134228 is a deficient number, since it is larger than the sum of its proper divisors (65165079111052).

78884043134228 is a wasteful number, since it uses less digits than its factorization.

78884043134228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857435251486 (or 857435251484 counting only the distinct ones).

The product of its (nonzero) digits is 66060288, while the sum is 62.

The spelling of 78884043134228 in words is "seventy-eight trillion, eight hundred eighty-four billion, forty-three million, one hundred thirty-four thousand, two hundred twenty-eight".